package com.zyz.rabbitextensionsdemo.config;

import org.springframework.amqp.core.ReturnedMessage;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.transaction.RabbitTransactionManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitTemplateConfig {

    @Bean("rabbitTemplate")
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        return new RabbitTemplate(connectionFactory);
    }
    @Bean("confirmRabbitTemplate")
    public RabbitTemplate confirmRabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.out.println("执行confirm方法");
                if (ack) {
                    System.out.printf("接收到消息, 消息ID: %s \n",correlationData == null ? null : correlationData.getId());
                } else {
                    System.out.printf("未收到消息, 消息ID: %s , cause : %s \n",correlationData == null ? null : correlationData.getId(),cause);
                }
            }
        });
        // 消息被退回时的回调方法
        rabbitTemplate.setMandatory(true);
        rabbitTemplate.setReturnsCallback(new RabbitTemplate.ReturnsCallback() {
            @Override
            public void returnedMessage(ReturnedMessage returned) {
                System.out.println("消息退回: " + returned);
            }
        });
        return rabbitTemplate;
    }
    // 事务
    @Bean("transRabbitTemplate")
    public RabbitTemplate transRabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setChannelTransacted(true);
        return rabbitTemplate;
    }
    // 创建事务管理器
    @Bean
    public RabbitTransactionManager transactionManager(ConnectionFactory connectionFactory) {
        return new RabbitTransactionManager(connectionFactory);
    }

}
